WO2017190872A1 - Dispositif de filtration, en particulier filtre à gaz - Google Patents

Dispositif de filtration, en particulier filtre à gaz Download PDF

Info

Publication number
WO2017190872A1
WO2017190872A1 PCT/EP2017/055266 EP2017055266W WO2017190872A1 WO 2017190872 A1 WO2017190872 A1 WO 2017190872A1 EP 2017055266 W EP2017055266 W EP 2017055266W WO 2017190872 A1 WO2017190872 A1 WO 2017190872A1
Authority
WO
WIPO (PCT)
Prior art keywords
support
filter
sealing element
filter device
receiving groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2017/055266
Other languages
German (de)
English (en)
Inventor
Nadine SORGER
Pedro Miguel Pereira Madeira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Priority to KR1020187031800A priority Critical patent/KR20190003544A/ko
Priority to DE112017002310.6T priority patent/DE112017002310A5/de
Priority to BR112018071670-7A priority patent/BR112018071670B1/pt
Priority to JP2018557886A priority patent/JP2019519363A/ja
Priority to EP17709072.7A priority patent/EP3452201B1/fr
Priority to RU2018138383A priority patent/RU2734391C2/ru
Priority to CN201780027554.2A priority patent/CN109069972B/zh
Publication of WO2017190872A1 publication Critical patent/WO2017190872A1/fr
Priority to US16/177,532 priority patent/US10881998B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B01D2271/022—Axial sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B01D2271/027—Radial sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20—Shape of filtering material
    • B01D2275/208—Oval shape

Definitions

  • Filter device in particular gas filter
  • the invention relates to a filter device, in particular a gas filter such as an air filter, according to the preamble of claim 1.
  • the filter device which is used for filtering the intake air of an internal combustion engine.
  • the filter device comprises an annular filter element in a receiving filter housing.
  • the filter element has a filter medium body with end-side end disks and an inner center pipe as a support frame.
  • a sealing element Integral with an end plate, a sealing element is formed, which has two axially projecting sealing beads with an intermediate incision into which a protrusion protrudes on the underside of a housing component.
  • a reinforcing plate is integrated, which is completely enveloped by the sealing material of the end plate.
  • the invention has for its object to form a filter device with an annular filter element with simple design measures in such a way that over a long period of operation in the region of the front side tightness between raw and clean side is guaranteed.
  • the filter device according to the invention is preferably used for gas filtration, in particular for the filtration of the intake air to internal combustion engines.
  • gas filtration in particular for the filtration of the intake air to internal combustion engines.
  • liquid media are also possible.
  • the filter device has an annular filter element with a filter medium body, on which the filtration takes place.
  • the filter medium body is flowed through in the radial direction of the fluid to be cleaned, preferably radially from outside to inside, so that the interior, which is surrounded by the filter medium body annular, the "T
  • the filter medium body is preferably designed as a bellows, wherein a sealing end disk is arranged on at least one end face, preferably on both opposite end faces, on the filter medium body.
  • a housing component of the filter device for example a clean-side fluid connection, bears against a sealing element which is arranged on the front side on the filter element.
  • the sealing element has two adjacent support walls or beads, between which lies an incision into which a support rib protrudes on the housing element engaging over the filter element.
  • the support rib is located in a receiving groove on the housing component, wherein the receiving groove is bounded by two side walls of the housing component, which are arranged in the radial direction - with respect to the longitudinal axis of the filter element - spaced from each other.
  • the support walls of the sealing element form both on the intermediate incision side facing as well as on the side facing away from the incision each a support surface on which in each case a side wall of the receiving groove or the protruding into the receiving groove supporting rib supported in the radial direction.
  • each support surface can also form a sealing surface, so that overall a high and permanent tightness between raw and clean side is ensured on the outside of the filter element.
  • at least two sealing surfaces are present, which are formed by the respectively sides of the support walls facing the incision and / or the respective sides of the support walls facing away from the incision, so that in each case a radial seal is formed.
  • each of the sides facing the incision of the support walls are sealingly against the support rib.
  • the sides of the support walls facing away from the recess in each case lie sealingly against the side walls of the receiving groove.
  • the support and sealing concept according to the invention is particularly suitable for filter elements which have an oval or stadium-shaped cross-section.
  • filter medium bodies with a circular cross section is also possible.
  • the Folded edges of the filter medium body can run parallel to each other or converge.
  • the housing component is supported substantially only in the radial direction on the Stützflä- surfaces of the support walls, whereas in the axial direction no or only small forces between the housing member and the sealing element are effective.
  • no axial support of the aufdeciden housing component takes place, so that the support walls are relieved of correspondingly high axial forces and there is no risk of component damage by such axial forces.
  • the receiving groove surrounds both support walls, so that the inner sides of the side walls of the receiving groove bear against the outer sides of the support walls and additionally the protruding into the recess support rib on both inner sides of the support walls of the sealing element comes into contact.
  • the support walls are in the radial direction without play in the receiving groove to ensure a corresponding contact between the support surfaces on the support walls and the side walls of the receiving groove and the support rib.
  • the end face of a side wall which limits the receiving groove, bears against the sealing element, but at a distance from the supporting walls, an axial supporting force being transmitted between the component to be fitted and the filter element via this side wall of the receiving groove.
  • the spatial and functional separation of radial seal and axial support ensures the sealing function on the lateral support surfaces of the support walls and the axi al support function on the front side of the side wall of the receiving groove.
  • the side wall of the receiving groove lies with its end face against a radially extending section of the sealing element.
  • the radially inner side wall of the receiving groove is used for axial support, wherein additionally or alternatively, via the radially outer side wall of the receiving groove axial support on the sealing element is possible.
  • End plate and sealing element may be designed as separate components, wherein the sealing element is advantageously connected to the end plate or is in contact with the end plate.
  • the sealing element is, for example, on the End disc mounted or attached, in a further embodiment, by way of foaming or spraying or casting on the end plate.
  • end plate and sealing element are designed as a common component, which is produced, for example, in a common casting or foaming process.
  • the side wall of the receiving groove, via which the axial supporting force is transmitted between the housing member and the filter element a greater axial extent than the support rib, which is disposed within the receiving groove and in the assembled state in the recess between the support walls of the sealing element engages.
  • the larger axial extension of the receiving groove compared to the support rib ensures that the axial support force is transmitted completely or largely via the receiving groove and not via the support rib.
  • the filter element is provided with a central tube on the inside of the filter medium body, which forms a scaffold and consists of longitudinal and circumferential struts, between which openings for the flow through the fluid to be filtered are formed.
  • the central tube is connected to a support collar, the support of the sealing element or embedded in this.
  • the support collar advantageously extends radially outwardly at the end face of the central tube and is capable of introducing the axial forces which act on the filter element during operation into the central tube. This ensures that the sealing element, in particular in the region of the support walls, where the radial sealing effect is generated, and the intermediate incision, is not loaded or deformed by the axial supporting forces.
  • the support forces are passed from the housing component in the support collar and from this further into the center tube.
  • the support collar is preferably formed integrally with the central tube.
  • Central tube and support collar can be designed as a plastic injection-molded component.
  • a separate embodiment of the support collar from the central tube into consideration, in which case the support collar is attached to the central tube in order to direct the forces acting in the axial direction in the center tube can.
  • the sealing element envelops, according to a further advantageous embodiment, the support collar at least partially, possibly completely.
  • the sealing element may be designed such that the end region of the filter medium body, on which the sealing element is seated, is overlapped on its radial inner side and its radial outer side by the sealing element.
  • the support collar may have a grid structure with grid openings which are filled by the sealing material of the sealing element. This creates a firm connection between the support collar and the sealing element.
  • the sealing element is free of support elements in the region of the support walls delimiting the incision.
  • the support walls are held in position in this embodiment solely by their inherent rigidity, which is sufficient for the sealing function with radial contact with the side walls of the receiving groove and the support rib on the housing component.
  • the protruding into the recess between the support walls support rib on the one hand and the voltage applied to the outer sides of the support walls side walls of the receiving groove on the other hand stabilize the sealing element with the support walls.
  • the support collar extends in the radial direction at least up to the position on the sealing element, against which the side wall of the receiving groove bears with its end face on the sealing element for the axial support. It may be expedient to extend the support collar in the radial direction even further beyond the position at which the side wall of the receiving groove acts with its end face on the sealing element, for example up to the first support wall, to the incision or to the second support wall.
  • all the support walls of the sealing element are located radially outside the central tube.
  • the support walls are in particular placed directly on the filter medium body.
  • FIG. 1 is a perspective view of an annular filter element having on the inside of the filter medium body a central tube with which an axially projecting support collar is integrally formed,
  • FIG. 2 shows a filter device with a filter housing and the filter element from FIG. 1 during assembly on an outlet nozzle
  • Fig. 3 is a Fig. 2 corresponding representation, but in the assembled state.
  • a filter element 1 which can be used for gas filtration, for example for an air filter of an internal combustion engine.
  • the filter element 1 is annular and has in the exemplary embodiment a strongly elongated, oval cross-section with longitudinal sides which are formed straight or only with a small curvature to the outside.
  • the filter element 1 has an annular closed filter medium body 2, on which the filtration of the fluid to be cleaned takes place.
  • the filter medium body 2 is flowed through radially from outside to inside by the fluid, so that the interior in the filter medium body 2 forms the clean side, from which the cleaned fluid is discharged axially - in the direction of the longitudinal axis 9 of the filter element 1.
  • the interior 3 is lined by a support grid forming a central tube 4, which rests against the inside of the filter medium body 2 and is preferably designed as a plastic injection-molded component.
  • the interior is limited at the lower end face, not shown, by a closed end disk, which covers the front side of the filter medium body.
  • a support collar 6 Integral with the central tube 4, a support collar 6 is formed, which extends in the radial direction and is directed radially outward on the end face of the central tube 9.
  • the support collar 6 is connected to the central tube 4 on the radially inner side-facing the inner space 3-and is in particular formed in one piece with the central tube 4.
  • the support collar 6 is provided with a grid structure having a plurality of recesses. These recesses in the support collar 6 serve to receive sealing material of a sealing element 1 1, which is located on the support collar 6.
  • the sealing element 1 1 is sprayed onto the support collar 6 or erected. foams, the sealing material is for example a PU foam.
  • the sealing material penetrates into the recesses of the lattice structure of the support collar 6, a solid, permanent connection between the sealing member 1 1 and the support collar 6 is ensured.
  • the support collar 6 is advantageously completely enveloped to the outside by the sealing material of the sealing element 1 1.
  • a filter device 14 in particular for gas filtration, shown with the filter element 1 in a filter housing, which comprises an outlet 13 for the purified gas and a filter base housing 12 for receiving the filter element 1, wherein the filter base housing 12
  • FIG. 3 represents the installed position.
  • the sealing element 1 1 on the support collar 6 is integrally formed with the end plate 5, which covers an end region of the filter medium of the filter medium body 2 frontally and radially inwardly and radially engages around the outside.
  • a receiving groove 15 On the underside of the outlet 13 is a receiving groove 15 which is bounded in the radial direction of side walls 1 6 and 17, which extend radially at a distance and concentric with each other.
  • a support rib 20 is formed, which is located in the radial direction in the middle of the receiving groove. The axial extension of the support rib 20 is less than the axial extension of the side walls 1 6 and 17 delimiting the receiving groove.
  • the two support walls 21 and 22 are concentric and spaced from each other.
  • the recess 23 serves to receive the support rib 20 in the receiving groove 15 on the outlet 13 in the assembled state shown in FIG. 3 are the side walls 1 6 and 17 of the receiving groove 15 on the outer sides of the support walls 21 and 22 at.
  • the radial distance between the side walls 1 6 and 17 of the receiving groove 15 is designed so that, together with the projecting into the recess 23 support rib 20th , which presses the support walls 21 and 22 at least slightly radially outward, a play-free recording and conditioning in the radial direction between the support walls 21, 22 and the associated surfaces in the receiving groove 15 is given.
  • At least two of the four support surfaces between the sealing element 1 1 and the housing member 13 simultaneously form a sealing surface and ensure a flow-tight connection between the end face of the Filterele- element and the outlet 13 to form a sealing surface is one side of the sealing element 1 1 preferably over the entire surface of a Side wall 1 6, 17 or the support rib 20 of the housing member 13 at.
  • the radially inner side wall 1 6 of the receiving groove 15 rests with its end face against the radially or horizontally extending section of the sealing element 11.
  • the outlet 13 is supported axially on the sealing element 1 1 and thus on the filter element 1 from.
  • the side wall 1 6 is located directly on the outer side of the support wall 21, wherein the end face of the side wall 1 6 not the support wall 21, but the horizontal or radially extending portion of the sealing member 1 1 acts. Since in the radial portion of the sealing member 1 1 of the support collar 6 is integrated, the axial support force is transferred to the support collar, which forwards the force in the center tube 4 on. This ensures that the end face of the filter medium body 2 is relieved of the axial supporting forces.
  • the support walls 21 and 22 take no axial support function, but only a sealing function to the side walls 1 6 and 17 at the outlet 13th

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

Un dispositif de filtration présente un élément filtrant annulaire qui est logé dans un boîtier de filtre. Sur le côté frontal de l'élément filtrant se trouve un élément d'étanchéité comprenant deux parois étanches qui sont séparées par une encoche et forment une surface d'appui respectivement sur leurs deux côtés.
PCT/EP2017/055266 2016-05-03 2017-03-07 Dispositif de filtration, en particulier filtre à gaz Ceased WO2017190872A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1020187031800A KR20190003544A (ko) 2016-05-03 2017-03-07 필터 장치, 특히 가스 필터
DE112017002310.6T DE112017002310A5 (de) 2016-05-03 2017-03-07 Filtereinrichtung, insbesondere Gasfilter
BR112018071670-7A BR112018071670B1 (pt) 2016-05-03 2017-03-07 Dispositivo de filtração, especialmente filtro de gás
JP2018557886A JP2019519363A (ja) 2016-05-03 2017-03-07 フィルタ装置、特にガスフィルタ
EP17709072.7A EP3452201B1 (fr) 2016-05-03 2017-03-07 Dispositif de filtration, en particulier filtre à gaz
RU2018138383A RU2734391C2 (ru) 2016-05-03 2017-03-07 Фильтрующее устройство, в частности, газовый фильтр
CN201780027554.2A CN109069972B (zh) 2016-05-03 2017-03-07 过滤器装置，特别是气体过滤器
US16/177,532 US10881998B2 (en) 2016-05-03 2018-11-01 Filter device, in particular gas filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016005354.2A DE102016005354A1 (de) 2016-05-03 2016-05-03 Filtereinrichtung, insbesondere Gasfilter
DE102016005354.2 2016-05-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/177,532 Continuation US10881998B2 (en) 2016-05-03 2018-11-01 Filter device, in particular gas filter

Publications (1)

Publication Number Publication Date
WO2017190872A1 true WO2017190872A1 (fr) 2017-11-09

Family

ID=58231630

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/055266 Ceased WO2017190872A1 (fr) 2016-05-03 2017-03-07 Dispositif de filtration, en particulier filtre à gaz

Country Status (8)

Country Link
US (1) US10881998B2 (fr)
EP (1) EP3452201B1 (fr)
JP (1) JP2019519363A (fr)
KR (1) KR20190003544A (fr)
CN (1) CN109069972B (fr)
DE (2) DE102016005354A1 (fr)
RU (1) RU2734391C2 (fr)
WO (1) WO2017190872A1 (fr)

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Publication number Priority date Publication date Assignee Title
FR3114356A1 (fr) * 2020-09-24 2022-03-25 Psa Automobiles Sa Ensemble comprenant un filtre a air et une vanne de dosage d’air
US12151190B2 (en) * 2022-02-24 2024-11-26 Mann+Hummel Gmbh Filter element with an annular seal having a positioning and sealing section with concentric annular seal rings forming a sealing groove

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EP2764905A1 (fr) * 2013-02-12 2014-08-13 Mann + Hummel Gmbh Corps de filtration

Also Published As

Publication number Publication date
RU2734391C2 (ru) 2020-10-15
US10881998B2 (en) 2021-01-05
JP2019519363A (ja) 2019-07-11
CN109069972B (zh) 2021-11-09
EP3452201A1 (fr) 2019-03-13
BR112018071670A2 (pt) 2019-02-19
EP3452201B1 (fr) 2020-02-26
RU2018138383A (ru) 2020-06-03
KR20190003544A (ko) 2019-01-09
RU2018138383A3 (fr) 2020-06-03
DE112017002310A5 (de) 2019-01-24
CN109069972A (zh) 2018-12-21
US20190070545A1 (en) 2019-03-07
DE102016005354A1 (de) 2017-11-09

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